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과이아콜

과이아콜
과이아콜 구조식 이미지
카스 번호:
90-05-1
한글명:
과이아콜
동의어(한글):
과이아콜;2-메톡시페놀
상품명:
Guaiacol
동의어(영문):
Guajol;Guasol;guiacol;nsc3815;Anastil;Guaicol;GAIACOL;Guaiaco;GUAIACOL;GUAIACUL
CBNumber:
CB3214914
분자식:
C7H8O2
포뮬러 무게:
124.14
MOL 파일:
90-05-1.mol

과이아콜 속성

녹는점
26-29 °C(lit.)
끓는 점
205 °C(lit.)
밀도
1.129 g/mL at 25 °C(lit.)
증기 밀도
4.27 (vs air)
증기압
0.11 mm Hg ( 25 °C)
굴절률
n20/D 1.543(lit.)
FEMA
2532 | GUAIACOL
인화점
180 °F
저장 조건
Refrigerator
용해도
H2O: insoluble
물리적 상태
Liquid After Melting
산도 계수 (pKa)
9.98(at 25℃)
색상
Clear colorless to light yellow
수소이온지수(pH)
5.4 (10g/l, H2O, 20℃)
수용성
17 g/L (15 ºC)
어는점
28℃
감도
Air Sensitive
Merck
14,4553
JECFA Number
713
BRN
508112
안정성
Stable, but air and light sensitive. Combustible. Incompatible with strong oxidizing agents.
InChIKey
LHGVFZTZFXWLCP-UHFFFAOYSA-N
CAS 데이터베이스
90-05-1(CAS DataBase Reference)
NIST
Phenol, 2-methoxy-(90-05-1)
EPA
Phenol, 2-methoxy-(90-05-1)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,T,Xi
위험 카페고리 넘버 22-36/38
안전지침서 26
유엔번호(UN No.) 2810
WGK 독일 1
RTECS 번호 SL7525000
자연 발화 온도 750 °C
위험 참고 사항 Toxic/Irritant
TSCA Yes
위험 등급 6.1(b)
포장분류 II
HS 번호 29095010
유해 물질 데이터 90-05-1(Hazardous Substances Data)
독성 LD50 orally in rats: 725 mg/kg (Taylor)
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
예방조치문구:
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P337+P313 눈에 대한 자극이 지속되면 의학적인 조치· 조언를 구하시오.

과이아콜 MSDS


1-Hydroxy-2-methoxybenzene

과이아콜 C화학적 특성, 용도, 생산

개요

Guaiacol has a characteristic sweet odor. It is slightly phenolic. Guaiacol is obtained from hardwood tar or synthetically from onitrophenol via o-anisidine.

화학적 성질

Guaiacol has a characteristic sweet odor. It is slightly phenolic.

화학적 성질

Light Yellow Oil

출처

Detected in the distillation product from guaiac resin; guaiacol is found in castoreum oil, in the essential oil from fowers of Pandanus odoratissimus L , in the distillation waters of orange leaves, in the essential oil of Ruta Montana L and in the essential oil of tobacco leaves Also reported found in lemon peel oil, bog blueberry, asparagus, cabbage, celery, onion, chive, tomato, peppermint oil, rye bread, Parmesan cheese, butter, smoked fsh, meats, barley, dried bonito, malt, hardwood smoke, cognac, beer, brandy, rum, whiskies, sherry, grape wines, cocoa, coffee, tea, peanuts, popcorn, soybeans, avocado, beans, mushroom, sesame seed, mango, tamarind, rice dill, licorice, corn oil, cuttlefsh and other sources

용도

Guaiacol is a precursor of vanillin and santalidol (a synthetic sandal- wood fragrance). it is obtained from wood tar by the destructive distillation of hardwood, by the distillation of the phenol fraction of coal tar, or through the use of o-dichlorobenzene. it is processed to yield vanillin.

용도

Synthetic flavors, medicine (expectorant).

용도

A phenolic natural product and reducing co-substrate for COX reactions.

정의

ChEBI: A monomethoxybenzene that consists of phenol with a methoxy substituent at the ortho position.

Aroma threshold values

Detection: 3 to 31 ppb; aroma characteristics at 1.0%: phenolic, smoky, spicy, medicinal, vanilla, savory meaty, woody with a bourbon whiskey casky nuance.

Taste threshold values

Taste characteristics at 2.0 ppm: woody, phenolic, bacon, savory, smoky and medicinal.

일반 설명

Colorless to amber crystals or liquid. Density (of solid) 1.129 g / cm3. Solidifies at 28°C (82.4°F), but may remain liquid for a long time even at a much lower temperature. Slightly water soluble . Soluble in aqueous sodium hydroxide. Used medicinally as an expectorant. Used, because of its anti-oxidant properties, as an anti-skinning agent for paints.

공기와 물의 반응

Sensitive to air and light (darkens). Slightly water soluble.

반응 프로필

Guaiacol may react with oxidizing materials. Guaiacol forms salts readily with bases.

위험도

Toxic by ingestion and skin absorption.

화재위험

Guaiacol is combustible.

Chemical Synthesis

Obtained from hardwood tar or synthetically from o-nitrophenol via o-anisidine.

Purification Methods

Crystallise guaiacol from *benzene/pet ether or distil it in a vacuum. [Beilstein 6 H 768, 6 IV 5563.]

과이아콜 준비 용품 및 원자재

원자재

준비 용품


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